"Humboldt Manufacturing"

This spoon is made out of durable brass.

Firm Tabletop Support.

Ideal for vacuum filtrations under both high and low water pressure.

The perpendicular V-shaped jaws of these clamp holders are desiged to support rods and clamp extensions at a 90° angle.

Nickel-plated brass handles and borer tubes punch a variety of hole sizes.

A simple wire clamp that may be installed or removed without disconnecting tubing ends.

Bases are cast iron with black enamel finish. Rods are zinc plated steel and threaded to fit into the base.

Tip-free stability for experiments.

Featuring slotted holes for four funnels, it is constructed of hardwood with a metal clamp and thumbscrew for attaching it to a support rod.

It provides a broad, flat flame and fits mixing tubes with ¹/₂" outer diameter without stabilizer or ¹¹/₁₆" with stabilizer.